Yang Se-hyung is known for his work on a program which had the largest market share for its timeslot as of what date?
January 2013
-1
Section::::Abstract.
Yang Se-hyung
51057647
-1
Section::::Abstract.
Yang Se-hyung
51057647
-1
Section::::Abstract.
Infinite Challenge
10977899
-1
Section::::Abstract.
Infinite Challenge
10977899